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公开(公告)号:KR1020100013181A
公开(公告)日:2010-02-09
申请号:KR1020080074737
申请日:2008-07-30
Applicant: 한국에너지기술연구원
Abstract: PURPOSE: A vortex tube device used for applying a carbon dioxide separating system is provided to reduce energy consumption by minimizing the used amount of an absorbent, and to reduce the size of the vortex tube device by applying principles of the vortex tube. CONSTITUTION: A vortex tube device comprises the following: a supply tube(10) supplying combustion gas; an absorbent spraying part(20) spraying an absorbent to the combustion gas; a vortex generating part(30) generating the vortex on the combustion gas; a first tube(40) having a high temperature outlet and connected to one end of the vortex generating part; a second tube(50) having a low temperature outlet; and a carbon dioxide separation part(60) arranged on the high temperature tube of the first tube.
Abstract translation: 目的:提供用于施加二氧化碳分离系统的涡流管装置,通过使吸收剂的使用量最小化来减少能量消耗,并通过应用涡流管的原理来减小涡流管装置的尺寸。 构成:涡流管装置包括:供应燃烧气体的供应管(10); 将吸收剂喷射到燃烧气体的吸收剂喷射部分(20); 在所述燃烧气体上产生涡流的涡流产生部分(30); 第一管(40),其具有高温出口并连接到涡流产生部分的一端; 具有低温出口的第二管(50); 和设置在第一管的高温管上的二氧化碳分离部(60)。
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公开(公告)号:KR1020040069044A
公开(公告)日:2004-08-04
申请号:KR1020030005465
申请日:2003-01-28
Applicant: 한국에너지기술연구원
IPC: B22F9/30
Abstract: PURPOSE: A method for preparing barium titanate powder is provided to prepare barium titanate powder having high purity, small particle size and uniform particle size distribution from primary barium titanate powder prepared using starting materials of titanium contained hydroxide and barium contained hydroxide obtained by sulfuric acid process. CONSTITUTION: The method comprises a process of dehydration reacting a mixed solution of barium obtained from sulfuric acid process and titanium contained hydroxide at a temperature of 100 to 400 deg.C under a reaction pressure of atmospheric pressure to 20 kg/cm¬2; and a process of calcining the pH adjusted primary barium titanate powder after adjusting pH of the first barium titanate from 9 to 13 by washing primary barium titanate powder prepared by the dehydration reaction using acid solution or purified water, and wherein the calcination is performed in the temperature range of 800 to 1300 deg.C.
Abstract translation: 目的:提供一种制备钛酸钡粉末的方法,以制备使用由含钛的氢氧化物和含硫酸钡的硫酸制得的含氢氧化物制备的原始钛酸钡粉末,其纯度高,粒度小,粒度分布均匀的钛酸钡粉末 。 方案:该方法包括在大气压至20kg / cm 2的反应压力下,将从硫酸法得到的钡的混合溶液与含钛的氢氧化物在100〜400℃的温度下脱水反应的方法; 以及通过使用酸溶液或纯化水洗涤通过脱水反应制备的一次钛酸钡粉末,将第一钛酸钡的pH调节为9〜13后,对pH调整了的初级钛酸钡粉末进行煅烧,其中,在 温度范围800〜1300℃。
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公开(公告)号:KR1020020007504A
公开(公告)日:2002-01-29
申请号:KR1020000040581
申请日:2000-07-14
Applicant: 한국에너지기술연구원
IPC: C01F11/40
CPC classification number: Y02P20/544
Abstract: PURPOSE: A continuous preparation method of barium hexaferrite(BaO·6Fe2O3) powders by supercritical water crystallization is provided, which is characterized in that each step of hydrolysis, formation of critical nuclei, dehydration is performed in sequence. Accordingly the resultant barium hexaferrite powders are homogeneous and fine. CONSTITUTION: The preparation method is as follows: (i) hydrolyzing a mixed solution, being obtained from mixing a nitrate solution containing Fe and Ba and an alkali solution(KOH or NaOH) at a mixing point(MP1), at room temperature under 30-50MPa of pressure, which is represented by the formula, M(NO3)x(s) + xH2O(l) --> M(OH)x(l) + xHNO3(l) where M is metal, s is solid and l is liquid; (ii) forming critical nuclei by reacting a mixture, being obtained from mixing hydrolyzed raw materials (M(OH)x) and heated water at MP2, at 100-400deg.C for 3-10sec.; (iii) dehydrating a product in a reactor after heating hydrolyzed materials to 300-500deg.C of supercritical temperature for water rapidly at MP3 by using a hot water, where the size of formed particles is controlled by an angle of the reactor; (iv) recovering formed powder in a cyclone and washing.
Abstract translation: 目的:提出一种通过超临界水结晶连续制备六硼酸钡(BaO·6Fe2O3)粉末的方法,其特征在于每个步骤水解,形成临界核,脱水均按顺序进行。 因此,所得的六硼酸钡粉末是均匀的和细的。 制备方法:(i)水解混合溶液,将混合溶液(在混合点(MP1))下混合含有Fe和Ba的硝酸盐溶液和碱溶液(KOH或NaOH),在室温下混合30 -50MPa的压力,其由下式表示:M(NO 3)x(s)+ xH 2 O(1)→M(OH)x(1)+ xHNO 3(l)其中M是金属,s是固体, l是液体的 (ii)通过将水解原料(M(OH)x)和MP2的加热水混合得到的混合物在100-400℃下反应3-10秒,形成临界核。 (iii)通过使用热水在水中将水加热物料加热至300-500℃的超临界温度以迅速在MP3中,使反应器中的产物脱水,其中形成的颗粒的尺寸由反应器的角度控制; (iv)在旋风分离器中回收形成的粉末并洗涤。
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公开(公告)号:KR100259461B1
公开(公告)日:2000-07-01
申请号:KR1019970069408
申请日:1997-12-17
Applicant: 한국에너지기술연구원
IPC: B01J20/22
Abstract: PURPOSE: Disclosed is a CO2 absorbent by addition of a reaction-active agent for increase absorbing efficiency. By the present of reaction-active agent, the tertiary alkanolamine as an absorbent has increased performance of 18-290% of CO2 absorbing speed and 4-238% of CO2 absorbing capacity. CONSTITUTION: The tertiary alkanolamine known as CO2 absorbent and methyldiethanolamine (MDEA, molecular weight=119.17) are mixed with hexamethylenediamine (HMDA, molecular weight=116.21) solution acting as reaction-active agent to increase the CO2 absorbing performances. In addition to MDEA as the tertiary alkanolamine, others may be also used such as triethanolamine, dimethylethanolamine, diethylethanolamine, or methyldiisopropanolamine. The weight content of the tertiary alkanolamine is 5-75wt% and the 0.7-20wt% reaction-active agent should have mono amine groups (NH2-(CH2)m-NH2: where m is 6) at the both ends of the chain structure.
Abstract translation: 目的:通过添加反应活性剂来提高吸收效率的CO 2吸收剂。 通过反应活性剂的存在,作为吸收剂的叔链烷醇胺的性能提高了二氧化碳吸收速率的18-290%和二氧化碳吸收能力的4-238%。 构成:将作为CO 2吸收剂和甲基二乙醇胺(MDEA,分子量= 119.17)的叔链烷醇胺与作为反应活性剂的六亚甲基二胺(HMDA,分子量= 116.21)溶液混合以增加CO 2吸收性能。 除了MDEA作为叔链烷醇胺之外,还可以使用其它物质,例如三乙醇胺,二甲基乙醇胺,二乙基乙醇胺或甲基二异丙醇胺。 叔链烷醇胺的重量含量为5-75重量%,0.7-20重量%的反应活性剂在链结构的两端应具有单胺基(NH2-(CH2)m-NH2:其中m为6) 。
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公开(公告)号:KR102220977B1
公开(公告)日:2021-02-26
申请号:KR1020190082607
申请日:2019-07-09
Applicant: 한국에너지기술연구원
Abstract: 본발명은분리막을이용한선박배기가스의탈황방법에관한것이다. 본발명의분리막을이용한선박배기가스탈황방법은이산화황을선택적으로높은효율로비교적규모가작은이산화항분리막의사용함으로써설비구축비와운영비를낮추는경제성을확보할수 있다.
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公开(公告)号:KR102170273B1
公开(公告)日:2020-10-28
申请号:KR1020190023123
申请日:2019-02-27
Applicant: 한국에너지기술연구원
IPC: B01D53/14
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公开(公告)号:KR102096862B1
公开(公告)日:2020-04-03
申请号:KR1020180006465
申请日:2018-01-18
Applicant: 한국에너지기술연구원
IPC: B01J20/34 , B01J35/00 , B01J23/20 , B01J23/847 , B01J23/89 , B01J23/889 , B01J20/22 , B01D53/14
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公开(公告)号:KR101859511B1
公开(公告)日:2018-05-23
申请号:KR1020160105612
申请日:2016-08-19
Applicant: 한국에너지기술연구원
CPC classification number: Y02A50/2342 , Y02C10/06 , Y02P70/34
Abstract: 본발명은특히혼합액의거품을제거시키는소포기가구비되는혼합액분리장치에관한것으로서, 혼합액유입구와가스배출구와잔류액배출구가형성되는하우징과, 상기혼합액유입구와상기잔류액배출구의사이에위치하고, 상기혼합액유입구로제공된혼합액에열을제공하여상기혼합액으로부터분리대상가스를분리하고분리잔류액을생성하는가열기와, 상기가열기의상단에위치하고, 상기가열기에의해상기혼합액으로부터분리된분리대상가스가형성한거품을깨는소포기로구성됨으로써, 혼합액의안정적인분리가이루어질수 있고, 또한소포제를사용하지않고서도이산화탄소와리치아민이만나면서발생되는거품이제거될수 있는혼합액분리장치를제공하고자한다.
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